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 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.neo4j.cypher.internal.compiler.planner.logical

import org.neo4j.cypher.internal.ast.AstConstructionTestSupport
import org.neo4j.cypher.internal.ast.AstConstructionTestSupport.VariableStringInterpolator
import org.neo4j.cypher.internal.compiler.planner.LogicalPlanningIntegrationTestSupport
import org.neo4j.cypher.internal.expressions.SemanticDirection.OUTGOING
import org.neo4j.cypher.internal.util.test_helpers.CypherFunSuite

class PlanRewritingPlanningIntegrationTest extends CypherFunSuite with LogicalPlanningIntegrationTestSupport
    with AstConstructionTestSupport {

  test("should use GetDegree to compute the degree of a node") {
    val cfg = plannerBuilder().setAllNodesCardinality(100).build()
    val plan = cfg.plan("MATCH (n) RETURN size([p=(n)-->() | p]) AS deg").stripProduceResults
    plan shouldEqual cfg.subPlanBuilder()
      .projection(Map("deg" -> getDegree(v"n", OUTGOING)))
      .allNodeScan("n")
      .build()
  }
}
